Countertop display assembly



FIG. 1 illustrates a perspective view of a countertop display assembly;

FIG. 2 illustrates a front view thereof;

FIG. 3 illustrates a rear view thereof;

FIG. 4 illustrates a right side view thereof;

FIG. 5 illustrates a left side view thereof; and,

FIG. 6 illustrates a top view thereof.

The broken lines depict portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a countertop display assembly, as shown and described. 